MiGetPdeAddress

MMPTE *__stdcall MiGetPdeAddress(PVOID Va){
  return(_MMPTE *)((char *)MmGetPdeBase() + (((unsigned __int64)Va >> 18) & 0x3FFFFFF8));
}

Referenced by:

MiEliminateZeroPages
MiProtectLargeKernelHalRange
MiUnloadSystemImage
MiUnmapLargeDriver